I\'ve read https://developers.google.com/apps-script/guides/services/quotas and understand what the quotas are and how they work.
What I can\'t figure out is how the
The following quotas(consumer edition) apply:
UrlFetch quotas (like 50MB/Post size) may also apply to doPost().
Note however that these quotas typically don't apply to you, but to the user, if script is set to execute as "User accessing the webapp". Therefore, a single user can't simultaneously execute script 30 times in a short time(if published to execute as "User accessing the web-app")